Home / 159,137,981.64-219,492,036.23-140,520,275.01

Finding the Fourth Proportional to 159,137,981.64, 219,492,036.23 and 140,520,275.01

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Solution

The fourth proportional to 159,137,981.64, 219,492,036.23 and 140,520,275.01 is: 193,813,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,137,981.64 : 219,492,036.23 = 140,520,275.01 : x
  2. Step 2: Convert to fraction form
    159,137,981.64/219,492,036.23 = 140,520,275.01/x
  3. Step 3: Cross multiply
    159,137,981.64x = 219,492,036.23 × 140,520,275.01
  4. Step 4: Simplify right side
    159,137,981.64x = 30,843,081,292,841,880
  5. Step 5: Solve for x
    x = 30,843,081,292,841,880/159,137,981.64
  6. Step 6: Final answer
    x = 193,813,450.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.